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Question:  What are Dimensions and various types of Dimensions?

Answer: set of level properties that describe a specific aspect of a business, used for analyzing the factual measures of one or more cubes, which use that dimension. Egs. Geography, time, customer and product.


May 05, 2006 03:34:18 #2
 md.rahman   Member Since: May 2006    Total Comments: 3 
RE: What are Dimensions and various types of Dimension...
 

The DWH contains two types of tables,

    1.Dimension table  2.Fact table.

The Dimensions are classified 3 types.

1.SCD TYPE1(Slowly Changing Dimension) : contains current data.

2.SCD TYPE2(Slowly Changing Dimension) : contains current data + complete   historical data.

3.SCD TYPE3(Slowly Changing Dimension) : contains current data + one type historical data.
     

 

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